This amplifier in common mode was obtained in an Electronic Design from the 90's. The circuit is valid for any operational, remembering that the power supply must be symmetrical.
We found this circuit in an Analog Devices documentation from the 90s. The circuit is based on a...
This circuit turns off a load after an interval of 8 to 80 seconds adjusted on the potentiometer. The...
Found elsewhere in this section, this circuit is from the April 1971 Radio Electronics magazine. Note...